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Finding the Fourth Proportional to 49,679.83, 74,509.17 and 16,392.07

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Solution

The fourth proportional to 49,679.83, 74,509.17 and 16,392.07 is: 24,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.83 : 74,509.17 = 16,392.07 : x
  2. Step 2: Convert to fraction form
    49,679.83/74,509.17 = 16,392.07/x
  3. Step 3: Cross multiply
    49,679.83x = 74,509.17 × 16,392.07
  4. Step 4: Simplify right side
    49,679.83x = 1,221,359,561.95
  5. Step 5: Solve for x
    x = 1,221,359,561.95/49,679.83
  6. Step 6: Final answer
    x = 24,584.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.